-- I’m still working on my project.
-- Oh, you’ll miss the deadline. Time is .
A. running out
B. putting out
C. running out of
D. using up
网友回答
(答案→)A. running out
B. putting out
C. running out of
D. using up
解析：考查词组：run out和run out of，run out是不及物动词短语，没有被动式，run out of是及物动词短语，主句是一般将来时，从句用一般现在时或是现在完成时，句意：当世界用完了石油将用什么做为能源？选D。